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The Trijicon® ACOG® 4x32 scope features a Red Chevron BAC Flattop reticle illuminated through the use of fiberoptics (for daytime use) and tritium (for nighttime use), providing a vivid aiming point without the need for failure-prone batteries! Ranging reticle is calibrated for 5.56 (.223 caliber) flattop rifles out to 800m. Includes a flattop mount, a Lenspen®, a set of lens caps, and a warranty card. Eye relief: 1.5''. Length: 5.8''. Weight: 9.9 oz. without mount.
Manufacturer model #: TA31F.

ACOG Scope for 5.56
ACOG scopes are simple to use and the bullet drop compensator effective within a specific load and weight. Zeroing was simple, using the provided instructions. It is expensive, but I wanted a rugged scope I could use for hog hunting.
November 1, 2010

Amazing Target Acquisition
The Trijicon ACOG is one of the best combat optics on the market, currently used by US Military on AR15/M16 platform, and on the M249 SAW platform. The Chevron allows for a single zeroing of the rifle, where the tip of the chevron is used for 100 yrds, directly below that, in the "crotch" of the chevron is 200 yrds, at the bottom of the chevron is used for 300 yrds, and the vertical post is used from 400-800 yrds. Trijicon makes great optics, and not only will this thing take a beating and keep working, but, best of all "NO BATTERIES REQUIRED!", that's right, even though the interior of the scope is lit, you don't have to worry about batteries, like you do with EOTechs, and similar red dot sights. 4x Magnification.
December 27, 2014

military grade
i was skeptical when i was told we were mouting acogs, but after 10 months of bein beat and banged around on the streets of Iraq they hold a spot on zero better than i would have ever expected. the only downfall is the reticle is too bright during the day but is an easy fix by covering up some of the fiber optic material
June 6, 2009

Superb Tactical Scope
Interestingly, the Trijicon TA31F ACOG was the only ACOG model available from Bass Pro and it was the exact model I was looking for. It was about $100 less than from the Trijicon web site.
Mounting the scope on my S&W M&P-15OR was simple and sure (as one would expect of a tactical scope). Zeroing the sight in at 100 yards (tip of the chevron) was simple and straightforward. The ranging reticle is quite accurate. Removing and reinstalling the scope produced replicatable measures of accuracy.
October 25, 2010

Answers

A:

If you are using vertical folding sights, you will likely not be able to use them with the ACOG, as it should sit about an inch from your eye... i would recommend getting new iron sights, canted sights off to the side of your rifle, not that you really need them because the ACOG doesn't use batteries, so thats not an issue, and it can be used within 100 yards easy, so not sure why your need them, but thats the way i would go if i were you.

Unless you were to mount a rail spacer (which would make using the ACOG very uncomfortable because of the added height), you cant use them together, usually you would just fold down the battle sights to be used if the ACOG were to fail or if you remove it. One nice feature of the ACOG is that you are able to remove it and replace it without losing zero. I hope this helps.

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